Invention Designer (Kits 10 - 12)
20215-1
Released: 2013 · Parts: 678 · Theme: Master Builder Academy
Invention Designer (Kits 10 - 12) (20215-1) is a Master Builder Academy LEGO set released in 2013 with 678 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Master Builder Academy sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 3 minifigures and 203 unique part types.
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Buying checklist
Quick context before you buy this set used or verify a marketplace listing.
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Release year
2013 (13 years ago — may be retired)
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Catalog scale
678 parts listed · 203 inventory lines tracked
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Minifigures
3 in this set's inventory — verify completeness when buying used
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Build manual
No digital manual in our catalog — check the box tab or LEGO.com
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Build complexity
Large set — expect sticker sheets or multiple subassemblies; inspect photos closely
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Shipping weight (est.)
~1,211 g for parts inventory (excludes box/minifig packaging)
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Before you buy used
Run the completion checker, compare photos to the inventory, and check live listings for sealed pricing
Related sets in this theme
Market value
No estimate on BrickID yet
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Minifigures in Invention Designer (Kits 10 - 12)
Parts in this set
203 parts · page 1 of 5 · updating…
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![Arm Mechanical with 2 Clips [Battle Droid]](https://cdn.rebrickable.com/media/parts/elements/4260649.jpg)
Arm Mechanical with 2 Clips [Battle Droid]30377 · ×2 · White -
Bar 4L (Lightsaber Blade / Wand)30374 · ×1 · Light Bluish Gray -
Bar 6L with Stop Ring63965 · ×1 · Black -
Bracket 1 x 2 - 2 x 2 Inverted99207 · ×1 · Light Bluish Gray -
Brick 1 x 13005 · ×4 · White -
Brick 1 x 13005 · ×4 · Tan -
Brick 1 x 13005 · ×8 · Black -
Brick 1 x 23004 · ×3 · Tan -
Brick 1 x 23004 · ×3 · Dark Blue -
Brick 1 x 33622 · ×2 · Tan -
Brick 1 x 33622 · ×2 · Dark Bluish Gray -
Brick 1 x 43010 · ×3 · Black -
Brick 1 x 43010 · ×2 · White -
Brick 1 x 63009 · ×3 · Tan -
Brick 2 x 23003 · ×3 · White -
Brick 2 x 2 Corner2357 · ×2 · Black -
Brick 2 x 43001 · ×2 · Black -
Brick Arch 1 x 6 Raised Arch92950 · ×1 · White -
Brick Curved 2 x 2, Two Top Studs30165 · ×2 · Black -
![Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges]](https://cdn.rebrickable.com/media/parts/elements/6042956.jpg)
Brick Curved 4 x 1 No Studs [Stud Holder with Symmetric Ridges]11153 · ×4 · Dark Blue -
Brick Curved Inverted 6 x 142023 · ×12 · Tan -
Brick Round 1 x 1 Open Stud3062b · ×6 · White -
Brick Round 1 x 1 Open Stud3062b · ×6 · Dark Red -
Brick Round 1 x 1 Open Stud3062b · ×4 · Black -
![Brick Round 2 x 2 [Grill]](https://cdn.rebrickable.com/media/parts/elements/4650644.jpg)
Brick Round 2 x 2 [Grill]92947 · ×10 · White -
![Brick Round 2 x 2 [Grill]](https://cdn.rebrickable.com/media/parts/elements/4650645.jpg)
Brick Round 2 x 2 [Grill]92947 · ×2 · Light Bluish Gray -
Brick Round 2 x 2 Dome Top, Blocked Open Stud, Bottom Axle Holder30367b · ×1 · Light Bluish Gray -
Brick Round 2 x 2 Dome Top, Blocked Open Stud, Bottom Axle Holder30367b · ×3 · White -
Brick Round 2 x 2 with Axle Hole3941 · ×2 · Black -
Brick Sloped 18° 2 x 1 x 2/3 with 4 Slots / Grate61409 · ×2 · Black -
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)54200 · ×7 · Dark Blue -
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)54200 · ×2 · Black -
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)54200 · ×2 · Dark Red -
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)54200 · ×3 · Tan -
Brick Sloped 30° 1 x 2 x 2/385984 · ×2 · White -
Brick Sloped 33° 3 x 14286 · ×2 · Black -
Brick Sloped 33° 3 x 23298 · ×3 · Light Bluish Gray -
Brick Sloped 45° 2 x 1 Double with Inside Stud Holder3044c · ×1 · Dark Blue -
Brick Sloped 45° 2 x 1 with Bottom Pin3040b · ×2 · Tan -
Brick Sloped 45° 2 x 1 with Bottom Pin3040b · ×2 · Dark Bluish Gray -
Brick Sloped 45° 2 x 1 with Bottom Pin3040b · ×4 · Black -
Brick Sloped 45° 2 x 23039 · ×5 · Dark Blue -
Brick Sloped 45° 2 x 23039 · ×8 · Tan -
Brick Sloped 45° 2 x 23039 · ×2 · Dark Bluish Gray -
Brick Sloped 45° 2 x 2 Double Convex3045 · ×6 · Dark Blue -
Brick Sloped 45° 2 x 43037 · ×2 · Dark Blue -
Brick Sloped 75° 2 x 1 x 3 with Hollow Stud4460b · ×1 · Tan -
Brick Sloped Inverted 45° 2 x 13665 · ×10 · Tan